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Recognised as Colour

#0B388E

  • #0B388E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0B388E is a blue with RGB values 11, 56, 142 and HSL 219°, 86%, 30%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0B388E#0B388E
HEX#0B388E
RGBrgb(11, 56, 142)
RGB (0–1)0.0431, 0.2196, 0.5569
RGB percentages4.3%, 22%, 55.7%
HSLhsl(219.4, 85.6%, 30%)
HSV / HSBhsv(219.4, 92.3%, 55.7%)
CMYK92.3%, 60.6%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer735,374
CSS custom property--colour: #0B388E;

Brightness & contrast

Relative luminance0.04852WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.66:1
Contrast with white10.66:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#F4C771

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004491no red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#00398Cno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#004E5Dno blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.66:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.4Midnight blue · ΔE 14.8Rebecca purple · ΔE 22.9Slate blue · ΔE 24.8Royal blue · ΔE 26Indigo · ΔE 30.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E610B
Analogous#0B798E, #200B8E
Triadic#8E0B38, #388E0B
Split complementary#8E1F0B, #7A8E0B
Tetradic#8E0B79, #8E610B, #0B8E1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#719EF4
Lighter +30%#427EF0
Lighter +20%#125DED
Lighter +10%#0F4BBD
Darker −10%#07255F
Darker −20%#04132F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003599
Less saturated −25%#1E3E7B

Channel breakdown

R11
G56
B142
Red11 (4.3%)
Green56 (22%)
Blue142 (55.7%)
Hue219.39°
Saturation (HSL)85.62%
Lightness30%
Dominant channelBlue
Hex per channelR 0B · G 38 · B 8E

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Every value on this page was computed from “0b388e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.